COMPRESSOR
United States Patent 3481532

Inventors:
Fraser, Grover D.
Publication Date:
12/02/1969
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Assignee:
INGERSOLL RAND CO
Primary Class:
418/9
Other Classes:
418/203
International Classes:
F04C18/16; F04C17/12; F04C25/00
US Patent References:
3279682Screw air compressors




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